The Model 5677 from Netcom is a tunable filter that operates from 0.8 to 1.2 GHz with a 9% bandwidth. The filter has a low insertion loss of 4.5 dB and can handle an input power of up to 33 dBm. It can be controlled using a serial input control interface and has a tuning speed of less than 35 us. The filter is available in a surface mount package that measures 0.575 x 0.575 x 0.280 inches.